GB1394230A - Air hammer - Google Patents

Air hammer

Info

Publication number
GB1394230A
GB1394230A GB3687772A GB3687772A GB1394230A GB 1394230 A GB1394230 A GB 1394230A GB 3687772 A GB3687772 A GB 3687772A GB 3687772 A GB3687772 A GB 3687772A GB 1394230 A GB1394230 A GB 1394230A
Authority
GB
United Kingdom
Prior art keywords
piston
air
tool
bore
valve member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3687772A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KENT AIR TOOL Co
Original Assignee
KENT AIR TOOL Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KENT AIR TOOL Co filed Critical KENT AIR TOOL Co
Publication of GB1394230A publication Critical patent/GB1394230A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
GB3687772A 1971-08-11 1972-08-08 Air hammer Expired GB1394230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17081071A 1971-08-11 1971-08-11

Publications (1)

Publication Number Publication Date
GB1394230A true GB1394230A (en) 1975-05-14

Family

ID=22621347

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3687772A Expired GB1394230A (en) 1971-08-11 1972-08-08 Air hammer

Country Status (5)

Country Link
US (1) US3739862A (enrdf_load_stackoverflow)
JP (1) JPS5119628B2 (enrdf_load_stackoverflow)
CA (1) CA944229A (enrdf_load_stackoverflow)
FR (1) FR2150050A5 (enrdf_load_stackoverflow)
GB (1) GB1394230A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4383581A (en) * 1981-03-16 1983-05-17 Shalashov Jury F Tool for drilling boreholes
GB2139938A (en) * 1983-03-31 1984-11-21 Daly Limited P N Improvements in or relating to methods and apparatus for pipe replacement and boring
GB2481864A (en) * 2010-07-10 2012-01-11 Alexander Ross Valve to reduce recoil in a hand held percussive tool

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4290489A (en) * 1974-12-18 1981-09-22 Charles Leavell Vibrationless pneumatic tools
US4018291A (en) * 1974-12-23 1977-04-19 Allied Steel & Tractor Products, Incorporated Pneumatic hammer
US4102410A (en) * 1975-03-19 1978-07-25 Ross Frederick W Resilient work-coupled impact device
JPS5326549A (en) * 1976-08-24 1978-03-11 Sanyo Electric Co Ltd Electronic cash r egister
SE404151B (sv) * 1977-10-17 1978-09-25 Atlas Copco Ab Anordning for effektreglering av en pneumatisk motor
JPS54122746U (enrdf_load_stackoverflow) * 1978-02-17 1979-08-28
SE469323B (sv) * 1986-05-14 1993-06-21 Rune Ericsson Ett slagredskap
GB9226925D0 (en) * 1992-12-24 1993-02-17 Anglia Electronic Tech Ltd Transformer winding

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2580607A (en) * 1949-10-26 1952-01-01 Reed Roller Bit Co Impact type clutch
US3305953A (en) * 1963-08-15 1967-02-28 Mehren Oswald Von Pneumatic tooth for earth excavator
US3446291A (en) * 1967-03-13 1969-05-27 Chicago Pneumatic Tool Co Crust breaker with automatic air control valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4383581A (en) * 1981-03-16 1983-05-17 Shalashov Jury F Tool for drilling boreholes
GB2139938A (en) * 1983-03-31 1984-11-21 Daly Limited P N Improvements in or relating to methods and apparatus for pipe replacement and boring
GB2481864A (en) * 2010-07-10 2012-01-11 Alexander Ross Valve to reduce recoil in a hand held percussive tool

Also Published As

Publication number Publication date
US3739862A (en) 1973-06-19
JPS4825976A (enrdf_load_stackoverflow) 1973-04-04
JPS5119628B2 (enrdf_load_stackoverflow) 1976-06-18
CA944229A (en) 1974-03-26
DE2239202B2 (de) 1975-07-03
FR2150050A5 (enrdf_load_stackoverflow) 1973-03-30
DE2239202A1 (de) 1973-03-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee